Feature Request: Add support for s390x

[wbappz]

Building wheel for rtoml (pyproject.toml) did not run successfully. │ exit code: 1 ╰─> [21 lines of output] running bdist_wheel running build running build_py creating build creating build/lib.linux-s390x-cpython-310 creating build/lib.linux-s390x-cpython-310/rtoml copying rtoml/init.py -> build/lib.linux-s390x-cpython-310/rtoml copying rtoml/py.typed -> build/lib.linux-s390x-cpython-310/rtoml running build_ext running build_rust error: can't find Rust compiler

Could you add support for s390x?